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Molecular formula : C10H7BrO MW : 223.07 CAS No. :15231-91-1
nature : the white needle crystal. 127-128 ° C melting point, boiling point, 200-205 ° C (0.267kPa), soluble in benzene and ethanol.
Preparation Methods : 2-naphthol as bromide, reduction derived. 2-naphthol by adding acetic acid and 11:50, then dubbed bromide and acetic acid solution. Albert added bromine and water heating to a boil, and then cooled to 100 ° C in batches to join mossy tin, plus 3 hours boiled over again, mixing in appropriate under cold water added that the precipitation 6-bromo-2-naphthol, washing, filtration, drying at 100 ° C and then crude goods. Vacuum distillation, crystallization derived products.
purposes : dye intermediates. Organic synthesis of raw materials.
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